{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2022:XA6ZLZG6JU4J4SND5TMIFWVR7Y","short_pith_number":"pith:XA6ZLZG6","canonical_record":{"source":{"id":"2212.14127","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-12-28T23:50:59Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"a291cb324f3c4d7d80ba530ae3e9c91a794a70d7cc772469e34026327e365660","abstract_canon_sha256":"30cff80b3d6b1463e694561d2f468f70f0b9371345ec77bb40284db70e20857f"},"schema_version":"1.0"},"canonical_sha256":"b83d95e4de4d389e49a3ecd882dab1fe17f67ff8209704689f80fb50956d196b","source":{"kind":"arxiv","id":"2212.14127","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.14127","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"2212.14127v1","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.14127","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"XA6ZLZG6JU4J","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"pith_short_16","alias_value":"XA6ZLZG6JU4J4SND","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"pith_short_8","alias_value":"XA6ZLZG6","created_at":"2026-07-05T06:57:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2022:XA6ZLZG6JU4J4SND5TMIFWVR7Y","target":"record","payload":{"canonical_record":{"source":{"id":"2212.14127","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-12-28T23:50:59Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"a291cb324f3c4d7d80ba530ae3e9c91a794a70d7cc772469e34026327e365660","abstract_canon_sha256":"30cff80b3d6b1463e694561d2f468f70f0b9371345ec77bb40284db70e20857f"},"schema_version":"1.0"},"canonical_sha256":"b83d95e4de4d389e49a3ecd882dab1fe17f67ff8209704689f80fb50956d196b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:57:06.826269Z","signature_b64":"JGRsNw7A9LKcC9wC/lLmIPWBrpJzu7vfeq7PQ7YKd+5VFF6bRFsAhWdR4AjuhIawbOR/+KSh8yl+HCZys4AWAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b83d95e4de4d389e49a3ecd882dab1fe17f67ff8209704689f80fb50956d196b","last_reissued_at":"2026-07-05T06:57:06.825795Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:57:06.825795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2212.14127","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fAcg+T2tGka7uyCGJeIWQXGuFWi9m2rKRhEnrosPOdsD3ciUSimLy2q2jpa3txc40vCJLrGhqdEJ++cpTBxaBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:56:09.219265Z"},"content_sha256":"071f6214f72fbca31f16f2eaa85b5598a5eac513a96aaf813c3d17c1dba8d783","schema_version":"1.0","event_id":"sha256:071f6214f72fbca31f16f2eaa85b5598a5eac513a96aaf813c3d17c1dba8d783"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2022:XA6ZLZG6JU4J4SND5TMIFWVR7Y","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hidden Symmetries, Rapid Turns and Cosmic Acceleration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"hep-th","authors_text":"Lilia Anguelova","submitted_at":"2022-12-28T23:50:59Z","abstract_excerpt":"Hidden symmetries provide a powerful tool for finding exact solutions in multifield cosmological models. We review how, using such symmetries, one can find inflationary solutions in two-field models, which lead to the generation of primordial black holes. We also discuss an exact solution in a two-field cosmological model, which describes dark energy. This solution is obtained with the use of a hidden symmetry, although the latter is broken by a constant term in the scalar potential. All of the above solutions are characterized by field-space trajectories with rapid turns."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.14127","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2212.14127/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T06:57:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Yd0mK3ZaUfVb8MVY6rAfO8yDYBwVEO/gHevI+209VZoUjB/kaVKJuEmzMq7t9oT+AuQJjv5jW9v4Zg+KVMYmBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T01:56:09.219573Z"},"content_sha256":"086c1c1ba424e641f1860602b6ee1a8073aab869da77772cdcb902c4fb88e73c","schema_version":"1.0","event_id":"sha256:086c1c1ba424e641f1860602b6ee1a8073aab869da77772cdcb902c4fb88e73c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XA6ZLZG6JU4J4SND5TMIFWVR7Y/bundle.json","state_url":"https://pith.science/pith/XA6ZLZG6JU4J4SND5TMIFWVR7Y/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XA6ZLZG6JU4J4SND5TMIFWVR7Y/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-08-06T01:56:09Z","links":{"resolver":"https://pith.science/pith/XA6ZLZG6JU4J4SND5TMIFWVR7Y","bundle":"https://pith.science/pith/XA6ZLZG6JU4J4SND5TMIFWVR7Y/bundle.json","state":"https://pith.science/pith/XA6ZLZG6JU4J4SND5TMIFWVR7Y/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XA6ZLZG6JU4J4SND5TMIFWVR7Y/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2022:XA6ZLZG6JU4J4SND5TMIFWVR7Y","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"30cff80b3d6b1463e694561d2f468f70f0b9371345ec77bb40284db70e20857f","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-12-28T23:50:59Z","title_canon_sha256":"a291cb324f3c4d7d80ba530ae3e9c91a794a70d7cc772469e34026327e365660"},"schema_version":"1.0","source":{"id":"2212.14127","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2212.14127","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"arxiv_version","alias_value":"2212.14127v1","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2212.14127","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"pith_short_12","alias_value":"XA6ZLZG6JU4J","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"pith_short_16","alias_value":"XA6ZLZG6JU4J4SND","created_at":"2026-07-05T06:57:06Z"},{"alias_kind":"pith_short_8","alias_value":"XA6ZLZG6","created_at":"2026-07-05T06:57:06Z"}],"graph_snapshots":[{"event_id":"sha256:086c1c1ba424e641f1860602b6ee1a8073aab869da77772cdcb902c4fb88e73c","target":"graph","created_at":"2026-07-05T06:57:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2212.14127/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Hidden symmetries provide a powerful tool for finding exact solutions in multifield cosmological models. We review how, using such symmetries, one can find inflationary solutions in two-field models, which lead to the generation of primordial black holes. We also discuss an exact solution in a two-field cosmological model, which describes dark energy. This solution is obtained with the use of a hidden symmetry, although the latter is broken by a constant term in the scalar potential. All of the above solutions are characterized by field-space trajectories with rapid turns.","authors_text":"Lilia Anguelova","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-12-28T23:50:59Z","title":"Hidden Symmetries, Rapid Turns and Cosmic Acceleration"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2212.14127","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:071f6214f72fbca31f16f2eaa85b5598a5eac513a96aaf813c3d17c1dba8d783","target":"record","created_at":"2026-07-05T06:57:06Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"30cff80b3d6b1463e694561d2f468f70f0b9371345ec77bb40284db70e20857f","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2022-12-28T23:50:59Z","title_canon_sha256":"a291cb324f3c4d7d80ba530ae3e9c91a794a70d7cc772469e34026327e365660"},"schema_version":"1.0","source":{"id":"2212.14127","kind":"arxiv","version":1}},"canonical_sha256":"b83d95e4de4d389e49a3ecd882dab1fe17f67ff8209704689f80fb50956d196b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b83d95e4de4d389e49a3ecd882dab1fe17f67ff8209704689f80fb50956d196b","first_computed_at":"2026-07-05T06:57:06.825795Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:57:06.825795Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JGRsNw7A9LKcC9wC/lLmIPWBrpJzu7vfeq7PQ7YKd+5VFF6bRFsAhWdR4AjuhIawbOR/+KSh8yl+HCZys4AWAg==","signature_status":"signed_v1","signed_at":"2026-07-05T06:57:06.826269Z","signed_message":"canonical_sha256_bytes"},"source_id":"2212.14127","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:071f6214f72fbca31f16f2eaa85b5598a5eac513a96aaf813c3d17c1dba8d783","sha256:086c1c1ba424e641f1860602b6ee1a8073aab869da77772cdcb902c4fb88e73c"],"state_sha256":"b2d2a3cd8ec9d937bd59f662de35c2e3a0de3d262410ae4814202b325fa8082c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dpm6FFvMm/L54eVHT0gKTx/dAdwSukPbawFB+npQcO81E2XNd7yxHPt4BL4lOegZwOgbf/BfaYHrHsT3GEYQAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T01:56:09.222556Z","bundle_sha256":"9cca007057a8f8fffbac3c25e5f095224eecc34442c40c951504d0837c7c39be"}}